APA (7th ed.) Citation

GAER, J. (1956). How the great religions began. Signet Key Book.

Chicago Style (17th ed.) Citation

GAER, Joseph. How the Great Religions Began. Signet Key Book, 1956.

MLA (8th ed.) Citation

GAER, Joseph. How the Great Religions Began. Signet Key Book, 1956.

Warning: These citations may not always be 100% accurate.